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<div class="subTitle">org.apache.commons.math3.analysis.function</div>
<h2 title="Class Logistic.Parametric" class="title">Class Logistic.Parametric</h2>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">ParametricUnivariateFunction</a></dd>
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<dl>
<dt>Enclosing class:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/analysis/function/Logistic.html" title="class in org.apache.commons.math3.analysis.function">Logistic</a></dd>
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<pre>public static class <span class="strong">Logistic.Parametric</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">ParametricUnivariateFunction</a></pre>
<div class="block">Parametric function where the input array contains the parameters of
 the <a href="../../../../../../org/apache/commons/math3/analysis/function/Logistic.html#Logistic(double,%20double,%20double,%20double,%20double,%20double)"><code>logistic function</code></a>, ordered as follows:
 <ul>
  <li>k</li>
  <li>m</li>
  <li>b</li>
  <li>q</li>
  <li>a</li>
  <li>n</li>
 </ul></div>
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<td class="colOne"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/function/Logistic.Parametric.html#Logistic.Parametric()">Logistic.Parametric</a></strong>()</code>&nbsp;</td>
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<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/function/Logistic.Parametric.html#gradient(double,%20double...)">gradient</a></strong>(double&nbsp;x,
        double...&nbsp;param)</code>
<div class="block">Computes the value of the gradient at <code>x</code>.</div>
</td>
</tr>
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<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/analysis/function/Logistic.Parametric.html#value(double,%20double...)">value</a></strong>(double&nbsp;x,
     double...&nbsp;param)</code>
<div class="block">Computes the value of the sigmoid at <code>x</code>.</div>
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<h4>Logistic.Parametric</h4>
<pre>public&nbsp;Logistic.Parametric()</pre>
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<h4>value</h4>
<pre>public&nbsp;double&nbsp;value(double&nbsp;x,
           double...&nbsp;param)
             throws <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a>,
                    <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a>,
                    <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block">Computes the value of the sigmoid at <code>x</code>.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html#value(double,%20double...)">value</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">ParametricUnivariateFunction</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>x</code> - Value for which the function must be computed.</dd><dd><code>param</code> - Values for <code>k</code>, <code>m</code>, <code>b</code>, <code>q</code>,
 <code>a</code> and  <code>n</code>.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value of the function.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if <code>param</code> is <code>null</code>.</dd>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the size of <code>param</code> is
 not 6.</dd>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>param[5] &lt;= 0</code>.</dd></dl>
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<h4>gradient</h4>
<pre>public&nbsp;double[]&nbsp;gradient(double&nbsp;x,
                double...&nbsp;param)
                  throws <a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a>,
                         <a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a>,
                         <a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block">Computes the value of the gradient at <code>x</code>.
 The components of the gradient vector are the partial
 derivatives of the function with respect to each of the
 <em>parameters</em>.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html#gradient(double,%20double...)">gradient</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/analysis/ParametricUnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">ParametricUnivariateFunction</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>x</code> - Value at which the gradient must be computed.</dd><dd><code>param</code> - Values for <code>k</code>, <code>m</code>, <code>b</code>, <code>q</code>,
 <code>a</code> and  <code>n</code>.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the gradient vector at <code>x</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if <code>param</code> is <code>null</code>.</dd>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the size of <code>param</code> is
 not 6.</dd>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if <code>param[5] &lt;= 0</code>.</dd></dl>
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